Ohaus E-G21ST04R Magnetic Stirrer – 15 L
€338,00 excl. VAT
The Ohaus e-G21ST04R magnetic stirrer is a compact and reliable solution for everyday laboratory stirring tasks.
Part of the Ohaus Guardian 2000 series, it delivers consistent performance in a small footprint.
The 10.2 × 10.2 cm resin top plate is ideal for beakers and flasks with limited bench space.
Simple analog knob control allows intuitive speed adjustment.
Suitable for stirring volumes up to 15 litres.
Ideal for education, research and routine laboratory environments.
OHAUS E‑G21STRDS Magnetic Stirrer – Reliable 15 L Analog Stirring for Everyday Lab Use
The Ohaus e-G21ST04R magnetic stirrer is designed for dependable and consistent stirring in general laboratory applications where bench space is limited. As part of the Guardian 2000 series, this compact magnetic stirrer combines durable construction with straightforward operation.
The unit features a square resin top plate measuring 10.2 × 10.2 cm, making it well suited for smaller vessels and crowded workbenches. With a stirring speed range of 200 to 1600 rpm, the e-G21ST04R supports a wide range of mixing applications up to 15 litres.
Analog speed control ensures easy and precise adjustment, while the rugged metal housing is built to withstand demanding laboratory conditions. A built-in support rod holder allows the use of optional clamps and accessories, increasing flexibility for various experimental setups.
The Ohaus e-G21ST04R magnetic stirrer is ideal for sample preparation, dissolving buffers and reagents, media preparation and other routine stirring tasks in teaching, research and quality control laboratories.
Specifications Ohaus E-G21ST04R Magnetic Stirrer – 15 L
| Specification | Value |
|---|---|
| Model | e-G21ST04R |
| Product type | Magnetic stirrer |
| Control | Analog |
| Speed range | 200 – 1600 rpm |
| Maximum stirring volume | 15 L |
| Top plate size | 10.2 × 10.2 cm |
| Top plate material | Resin |
| Dimensions (H × W × D) | 11.0 × 26.4 × 16.3 cm |
| Net weight | 2.1 kg |
| Power consumption | 35 W (220–240 V) |
| Power supply | 220–240 V ~1 A, 50/60 Hz |
| Working environment | 5–40 °C, max. 80% RH (non-condensing) |
| Included accessories | PTFE-coated stir bar |
Options OHAUS E‑G21STRDS Magnetic Stirrer
The following accessories are compatible with the Ohaus e-G21ST04R magnetic stirrer, according to the Guardian 2000 compatibility table:
Vessel clamp
Stir bar retriever
Connecting clamp S/S grip 13 mm × 13 mm
Support rod S/S Ø13 × 450 mm (M10 thread)
Specialty column clamps (CLS-COLMNSS / SM / SL / SX)
Specialty nester clamp (CLS-NESTXS)
PTFE stir bars:
2.5 cm
3.8 cm
7 cm
10 cm with pivot ring
PTFE stir bar with pivot ring 3.8 cm
Thermometer holder kit e-G31
Alternative Magnetic stirrers

- Speed Range: 200–1600 rpm
- Stirring Capacity: Up to 15 L
- Top Plate: Ø 13.5 cm
- Control Type: Analog
- Top Plate Material: Ceramic-coated stainless steel
€328,00 excl. VAT

- Speed Range: 200–1600 rpm
- Stirring Capacity: Up to 15 L
- Top Plate Size: 17.8 × 17.8 cm
- Control Type: Analog
- Top Plate Material: Resin
€364,00 excl. VAT
